Finding the Fourth Proportional to 72,747.79, 109,084.78 and 33,271.08

Step by Step Solution

1. Step 1: Write the proportion equation
   72,747.79 : 109,084.78 = 33,271.08 : x
2. Step 2: Convert to fraction form
   72,747.79/109,084.78 = 33,271.08/x
3. Step 3: Cross multiply
   72,747.79x = 109,084.78 × 33,271.08
4. Step 4: Simplify right side
   72,747.79x = 3,629,368,442.16
5. Step 5: Solve for x
   x = 3,629,368,442.16/72,747.79
6. Step 6: Final answer
   x = 49,889.74